CHEM NTRT STD 1000 PPM 500 ML
43mg NO3.Nitrate (as Nitrogen) Standard, 1000 ppm, Concentration 1000 ppm, CAS Number 7757-79-1, Chemical Formula KNO3, APHA 4500-NO3 E, Chemical Container Material Plastic, Chemical Container Type Bottle, Chemical Grade Lab, Chemical Container Size 500 mL, Chemical Family Type Standards and Solutions, Calibration Certificate NIST, Shelf Life 24 mo, Shipping Restrictions CHEMICAL NOT REGULATED FOR TRANSPORT, Standards ASTM D3867-04 A,B, Special Information 1mL = 1mg N, 1mL = 4.